CN204612447U - With the electric arc furnaces of fire door skimming device - Google Patents
With the electric arc furnaces of fire door skimming device Download PDFInfo
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- CN204612447U CN204612447U CN201520105437.1U CN201520105437U CN204612447U CN 204612447 U CN204612447 U CN 204612447U CN 201520105437 U CN201520105437 U CN 201520105437U CN 204612447 U CN204612447 U CN 204612447U
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- fire door
- electric arc
- arc furnaces
- cell body
- slag
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Abstract
The utility model relates to a kind of electric arc furnaces with fire door skimming device, comprise the three-phase alternating current eccentric-bottom electric arc furnaces be arranged on supporting seat, the slag ladle that electric arc furnaces comprises body of heater, is arranged on the fire door of body of heater side and is arranged on below fire door, the operating platform that fire door arranged outside and body of heater are separated, operating platform arranges slag trap near fire door side, slag trap comprises the notch that become by the Plate Welding rectangle cell body relative with fire door, the both sides of cell body arrange the side shield of vertical direction, filling fire resisting material in cell body; The utility model solves the race slag problem in electric arc furnaces stream slag process, ensures the safety of operating personnel and equipment.
Description
Technical field
The utility model relates to a kind of electric arc furnaces, specifically a kind of electric arc furnaces with fire door skimming device.
Background technology
Electric arc furnaces is the device of smelting molten steel, reduces harmful element in molten steel during smelting mainly through slag-metal reaction, and the high-temperature slag reacted needs to flow out from fire door, and concentrating in slag car slag ladle, is operating platform outside fire door.
Because in molten bath, the extent of reaction is unbalanced, the intensity that slag springs up out fire door is different with stream slag angle, causes part slag to be flushed on operating platform, operating platform can be caused for a long time in the past to ftracture, jeopardize the personal security of use equipment; Simultaneously because slag body in stream slag process is arc line shaped flowing, and the continuing surface that slag is filled with is little, slag ladle cannot catch whole slag, front pit is caused to run slag, high-temperature slag easily burns slag car wire, and also easily burn the slag car motor time slag that overflows is serious, the slag car cannot overflow the track travel of slag, need waste to clear up for a long time, have a strong impact on production; The slag of repeat runs simultaneously causes slag car track to loosen, and increases the difficulty safeguarded.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electric arc furnaces with fire door skimming device, solves the race slag problem in electric arc furnaces stream slag process, ensures the safety of operating personnel and equipment.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
With the electric arc furnaces of fire door skimming device, comprise the three-phase alternating current eccentric-bottom electric arc furnaces be arranged on supporting seat, the slag ladle that described electric arc furnaces comprises body of heater, is arranged on the fire door of body of heater side and is arranged on below fire door, the operating platform that described fire door arranged outside and body of heater are separated, described operating platform arranges slag trap near fire door side, described slag trap comprises the notch that become by the Plate Welding rectangle cell body relative with fire door, the both sides of described cell body arrange the side shield of vertical direction, filling fire resisting material in described cell body.
Further improvement of the utility model is: the refractory material of filling in described cell body is high-temperature cement or graphite electrode.
Further improvement of the utility model is: the cell body bottom surface of described slag trap is spill cambered surface, and the surface of described refractory material is the spill cambered surface corresponding with cell body bottom surface.
Further improvement of the utility model is: the length of described slag trap is 1800mm ~ 2200mm, and thickness is 200mm ~ 300mm, is highly 1800mm ~ 2200mm.
Further improvement of the utility model is: the upper end of described cell body arranges hanger, and the upper end, the back side of described cell body vertically arranges connection gripper shoe on the operational platform.
Further improvement of the utility model is: the both sides hinged brace with bolt hole respectively of described gripper shoe; Described brace is bolted on the operational platform.
Owing to adopting technique scheme, the beneficial effect that the utility model produces is:
Electric arc furnaces with fire door skimming device of the present utility model, by increasing slag trap on the operational platform, slag is allowed directly to be flushed on slag trap, change the flow direction of the slag gushed out from fire door, it is made to flow in slag ladle along slag trap, effectively avoid running slag accident, effectively reduce hot downtime.
Two side shields of the present utility model are separately positioned on the both sides of cell body, slag effectively can be stoped to both sides splash, improve the security of work.Cell body floor design is spill cambered surface, can reduce the splash of slag to both sides.The inner filling fire resisting material of slag trap cell body, refractory material can improve high temperature resistant, the shock-resistant ability of cell body, extends the service life of cell body; The graphite electrode that refractory material can select high-temperature cement or arrangement to place.The heat resistance of high-temperature cement is good, and service life is about average 30 stoves, again fills after high-temperature cement peels off completely, can continue to use.Graphite electrode is extruded by high-temperature calcination and forms good heat resistance, high temperature resistantly reaches more than 2000 degree, and be the conductor of electric arc furnaces electric discharge molten steel iron charge, erosion resistibility is fine, and antiscour heat, more than 1500 times, obtains good effect.
Cell body of the present utility model arranges hanger, old at cell body, damage time, utilize hanger to change very easily, decrease replacing construction, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is slag trap structural representation of the present utility model;
In the accompanying drawings: 1, supporting seat, 2, electric arc furnaces, 2-1, body of heater, 2-2, fire door, 3, slag ladle, 4, operating platform, 5, slag trap, 5-1, cell body, 5-2, side shield, 5-3, hanger, 5-4, gripper shoe, 5-4-1, brace.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
With the electric arc furnaces of fire door skimming device, comprise the three-phase alternating current eccentric-bottom electric arc furnaces 2 be arranged on supporting seat 1, electric arc furnaces 2 comprises body of heater 2-1 and fire door 2-2, fire door 2-2 is arranged on the side of body of heater 2-1, the below of fire door 2-2 arranges slag ladle 3, the operating platform 4 that the arranged outside of fire door 2-2 and body of heater 2-1 are separated, operating platform 4 arranges slag trap 5 near fire door 2-2 side.By increasing slag trap 5 on operating platform 4, allowing slag directly be flushed on slag trap 5, changing the flow direction of the slag gushed out from fire door 2-2, make it flow in slag ladle 3 along slag trap 5, effectively avoid running slag accident, effectively reduce hot downtime.
Slag trap 5 comprises cell body 5-1, side shield 5-2, the upper end of cell body 5-1 arranges hanger 5-3, cell body 5-1 is become by Plate Welding, notch and the fire door 2-2 of cell body 5-1 are oppositely arranged, side shield 5-2 is arranged on the both sides of cell body 5-1, slag effectively can be stoped to both sides splash, improve the security of work.Hanger 5-3 is arranged in the middle of the upper end of cell body 5-1, old at cell body 5-1, damage time, utilize hanger 5-3 to change very easily, decrease replacing construction, increase work efficiency.Cell body 5-1 is connected on operating platform 4 by the vertically disposed gripper shoe 5-4 in upper end, the back side.The both sides hinged brace 5-4-1 with bolt hole respectively of gripper shoe 5-4; Brace 5-4-1 is bolted on operating platform 4, and bolt is connected firmly, easy accessibility, saves the working time.
The length of slag trap 5 is 1800mm ~ 2200mm, and width is 200mm ~ 300mm, is highly 1800mm ~ 2200mm.The bottom surface of cell body 5-1 is spill cambered surface, reduces the splash of slag to slag trap 5 both sides.
Arrange refractory material in cell body 5-1, refractory material can improve high temperature resistant, the shock-resistant ability of cell body 5-1, extends the service life of cell body 5-1; The graphite electrode that refractory material can select high-temperature cement or arrangement to place.The heat resistance of high-temperature cement is good, and service life is about average 30 stoves, again fills after high-temperature cement peels off completely, can continue to use.Graphite electrode is extruded by high-temperature calcination and forms good heat resistance, high temperature resistantly reaches more than 2000 degree, and be the conductor of electric arc furnaces electric discharge molten steel iron charge, erosion resistibility is fine, and antiscour heat, more than 1500 times, obtains good effect.
Claims (6)
1. with the electric arc furnaces of fire door skimming device, comprise the three-phase alternating current eccentric-bottom electric arc furnaces (2) be arranged on supporting seat (1), described electric arc furnaces (2) comprises body of heater (2-1), be arranged on the fire door (2-2) of body of heater (2-1) side and be arranged on the slag ladle (3) of fire door (2-2) below, the operating platform (4) that described fire door (2-2) arranged outside and body of heater (2-1) are separated, it is characterized in that: described operating platform (4) is upper arranges slag trap (5) near fire door (2-2) side, described slag trap (5) comprises the notch that become by the Plate Welding rectangle cell body (5-1) relative with fire door (2-2), the both sides of described cell body (5-1) arrange the side shield (5-2) of vertical direction, described cell body (5-1) interior filling fire resisting material.
2. the electric arc furnaces with fire door skimming device according to claim 1, is characterized in that: the refractory material of filling in described cell body (5-1) is high-temperature cement or graphite electrode.
3. the electric arc furnaces with fire door skimming device according to claim 2, is characterized in that: cell body (5-1) bottom surface of described slag trap (5) is spill cambered surface, and the surface of described refractory material is the spill cambered surface corresponding with cell body (5-1) bottom surface.
4. the electric arc furnaces with fire door skimming device according to claim 1, is characterized in that: the length of described slag trap (5) is 1800mm ~ 2200mm, and thickness is 200mm ~ 300mm, is highly 1800mm ~ 2200mm.
5. the electric arc furnaces with fire door skimming device according to any one of claim 1 ~ 4, it is characterized in that: the upper end of described cell body (5-1) arranges hanger (5-3), the upper end, the back side of described cell body (5-1) vertically arranges the gripper shoe (5-4) be connected on operating platform (4).
6. the electric arc furnaces with fire door skimming device according to claim 5, is characterized in that: the both sides hinged brace with bolt hole (5-4-1) respectively of described gripper shoe (5-4); Described brace (5-4-1) is bolted on operating platform (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105437.1U CN204612447U (en) | 2015-02-13 | 2015-02-13 | With the electric arc furnaces of fire door skimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105437.1U CN204612447U (en) | 2015-02-13 | 2015-02-13 | With the electric arc furnaces of fire door skimming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204612447U true CN204612447U (en) | 2015-09-02 |
Family
ID=53965001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520105437.1U Active CN204612447U (en) | 2015-02-13 | 2015-02-13 | With the electric arc furnaces of fire door skimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204612447U (en) |
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2015
- 2015-02-13 CN CN201520105437.1U patent/CN204612447U/en active Active
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